perf(retrieval): fix NDCG GPU performance regression by replacing torch.unique #3350

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Draft

rclough wants to merge 4 commits into Lightning-AI:master from rclough:fix/ndcg-gpu-performance

+176 −29

Draft

perf(retrieval): fix NDCG GPU performance regression by replacing torch.unique #3350

[pre-commit.ci] auto fixes from pre-commit.com hooks

Lit OSS [bot] / integrations.yml / Lit Job (pytorch/pytorch:2.7.1-cuda12.6-cudnn9-runtime) succeeded Mar 31, 2026 in 4m 44s

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